NCERT Solutions for Class 4th Maths Chapter 5 Parts and Wholes — Let Us Do
Book page 64 Updated on2026-09-19
Q1.
Divide these shapes into 4 equal parts/quarters.The five shapes to be divided, as printed in the book.
Answer
Cut each shape with two lines through its middle, or with three cuts of the same width.
The five shapes as printed in the book.One way to cut each shape into four equal parts.
(a) Rhombus: draw both of its diagonals. They make 4 equal triangles.
(b) Long thin rectangle: make 3 cuts across it, all the same distance apart. This gives 4 equal small rectangles.
(c) Oval: draw one line down the middle and one line across the middle.
(d) Rectangle: draw one line down the middle and one line across the middle. This gives 4 equal small rectangles.
(e) Step-shape: it matches itself top to bottom and left to right, so a line down the middle and a line across the middle give 4 equal parts.
Each shape is now in 4 equal parts
Each part is one quarter = 1/4 of the shape
Why it happens: A line through the middle makes two halves. Cutting each half in half again gives four pieces of the same size.
Q2.
Think: How would we write the fraction for each part if we divided an object into 5 equal parts?
Answer
Each part would be written as 1/5. We read it as one-fifth.
A roti cut into 5 equal parts. One part is coloured.
2 equal parts → each part is 1/2 (one half)
4 equal parts → each part is 1/4 (one quarter)
5 equal parts → each part is 1/5 (one-fifth)
Why it happens: The number below the line tells how many equal parts the whole was cut into. The 1 above the line tells that we are taking 1 of those parts.
Try This: In the same way, 3 equal parts give 1/3, 6 equal parts give 1/6 and 10 equal parts give 1/10.